Location: 409 Chain Bridge Road, McLean, VA

Square Footage: 42,000

Bedrooms & Bathrooms: 12 bedrooms & 21 bathrooms

Price: $75,000,000

This cliffside mega mansion is located at 409 Chain Bridge Road in McLean, VA. It was the home of Jim Kimsey, the co-founder of AOL, who passed away earlier this year.

It was built in 2000 and features approximately 42,000 square feet of living space with 12 bedrooms, 15 full and 6 half bathrooms, foyer with staircase, 2-story great room, formal dining room, numerous other living rooms, gourmet kitchen, catering kitchen, wine cellar, gym, huge subterranean garage and more.

There is also a Frank Lloyd Wright designed guest house adjacent to the home that features a living room, dining room, gourmet kitchen and library.

Outdoor features include a gated entrance, gate house, motor court, tennis court, terraces and an infinity edge swimming pool with spa.

*Thanks to Farid for the tip!

It is listed at $75,000,000.